Camera having automatic program zoom mode

Details Camera having automatic program zoom mode Camera having automatic program zoom mode

1993-06-10

1998-12-08

Adams, Russell E.

Photography

Having variable focal length of camera objective

Automatic change of focal length

396157, G03B 1700

Patent

active

058483047

ABSTRACT:
Photographing operation of a camera is possible in an automatic program zoom mode in which focal length of a photographing lens is automatically determined based on a prescribed program, and in a manual zoom mode in which focal length of the photographing lens is determined dependent on user's preference. When a switch for starting operation of the camera is turned ON, the automatic program zoom mode is automatically set from the two modes.

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patent: 4737814 (1988-04-01), Nakajima
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patent: 4942417 (1990-07-01), Miyazawa et al.
patent: 4951075 (1990-08-01), Tokumaru et al.
patent: 4999663 (1991-03-01), Nakamura
patent: 5006877 (1991-04-01), Katoh et al.
patent: 5055932 (1991-10-01), Hijikaia
patent: 5075709 (1991-12-01), Ueyama
patent: 5113214 (1992-05-01), Nagata et al.
patent: 5138354 (1992-08-01), Okada et al.

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